239936 has 28 divisors (see below), whose sum is σ = 499872. Its totient is φ = 114048.

The previous prime is 239933. The next prime is 239947. The reversal of 239936 is 639932.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a d-powerful number, because it can be written as 2¹⁷ + 3⁵ + 9³ + 9⁵ + 3⁷ + 6⁶ .

It is a nialpdrome in base 4.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 239936.

It is not an unprimeable number, because it can be changed into a prime (239933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391 + ... + 1553.

2²³⁹⁹³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249936).

239936 is an abundant number, since it is smaller than the sum of its proper divisors (259936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

239936 is a wasteful number, since it uses less digits than its factorization.

239936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 188 counting only the distinct ones).

The product of its digits is 8748, while the sum is 32.

The square root of 239936 is about 489.8326244749. The cubic root of 239936 is about 62.1391256591.

The spelling of 239936 in words is "two hundred thirty-nine thousand, nine hundred thirty-six".